(19)
(11) EP 1 097 372 A1

(12)

(43) Date of publication:
09.05.2001 Bulletin 2001/19

(21) Application number: 99934757.8

(22) Date of filing: 12.07.1999
(51) International Patent Classification (IPC)7: G01N 21/86, G01N 21/89
(86) International application number:
PCT/FI9900/613
(87) International publication number:
WO 0004/373 (27.01.2000 Gazette 2000/04)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 14.07.1998 US 115363

(71) Applicant: Neles Paper Automation Oy
33900 Tampere (FI)

(72) Inventors:
  • SHAKESPEARE, Tarja
    FIN-37100 Siuro (FI)
  • SHAKESPEARE, John
    FIN-37100 Siuro (FI)

(74) Representative: Leson, Thomas Johannes Alois, Dipl.-Ing. 
Tiedtke-Bühling-Kinne & Partner GbR,TBK-Patent,Bavariaring 4
80336 München
80336 München (DE)

   


(54) METHOD AND APPARATUS FOR OPTICALLY MEASURING PROPERTIES OF A MOVING WEB